Home / 12,445,704.60-18,668,556.90-9,926,280.60

Finding the Fourth Proportional to 12,445,704.60, 18,668,556.90 and 9,926,280.60

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Solution

The fourth proportional to 12,445,704.60, 18,668,556.90 and 9,926,280.60 is: 14,889,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,704.60 : 18,668,556.90 = 9,926,280.60 : x
  2. Step 2: Convert to fraction form
    12,445,704.60/18,668,556.90 = 9,926,280.60/x
  3. Step 3: Cross multiply
    12,445,704.60x = 18,668,556.90 × 9,926,280.60
  4. Step 4: Simplify right side
    12,445,704.60x = 185,309,334,186,466.12
  5. Step 5: Solve for x
    x = 185,309,334,186,466.12/12,445,704.60
  6. Step 6: Final answer
    x = 14,889,420.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.